Pharmacology

Duration:

For antacid action, dependent on gastric emptying time:

Fasting state: 20-60 min

1hr after meals: up to 3 hr on the fasting

Excretion:

Aluminium oxide: absorbed Al ions are eliminated in the urine (0.1-0.5 mg of Al in aluminium-containing antacid is absorbed from standard daily doses of antacid), insoluble or poorly absorbed Al salts in the intestines are excreted in the feces